cool tool for history

The New York Times has a cool tool for exploring immigration!

http://www.nytimes.com/interactive/2009/03/10/us/20090310-immigration-explorer.html?emc=eta3

Dra. Antonia Darder's Website

http://www.darder.org/index.htm

http://www.darder.org/sound.htm

I find Dra. Darder's website especially useful for the audio components -- her passion for teaching and her honesty about the difficulties of this are truly inspiring.